Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quais são as menores perdas de Warrnambool com mais de 6 vitórias e menos de 630 contra?
 ###Tabelas: CREATE TABLE tallest_proposed (tallest_proposed_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Name VARCHAR, Location VARCHAR, Height feet / metres VARCHAR, Floors VARCHAR, Year Proposed VARCHAR) CREATE TABLE season_1:_2005 (season_1:_2005_id AUTO_INCREMENT PRIMARY KEY, Episode INT, Title VARCHAR, Writer VARCHAR, Director VARCHAR, Original Airdate VARCHAR) CREATE TABLE averages (averages_id AUTO_INCREMENT PRIMARY KEY, Rank by average INT, Place INT, Couple VARCHAR, Total points INT, Number of dances INT, Average VARCHAR) CREATE TABLE known_disk_logical_formats (known_disk_logical_formats_id AUTO_INCREMENT PRIMARY KEY, Platform VARCHAR, Size VARCHAR, Density VARCHAR, Bytes/ sector INT, Sectors/ track VARCHAR, Tracks/ side VARCHAR, Sides INT, Capacity VARCHAR, Encoding VARCHAR) CREATE TABLE 1940_ladder (1940_ladder_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Wins INT, Losses INT, Draws INT, Against INT)  
SELECT MIN Losses FROM 1940_ladder WHERE Against < 630 AND Club = warrnambool AND Wins > 6